In a jaw-dropping moment at Dr. Priscilla Chan’s extravagant 40th birthday celebration, Meta CEO Mark Zuckerberg stunned guests with the announcement of their fourth child, sending shockwaves through social media and beyond. The lavish black-tie event, held on February 24, 2025, was already making headlines for its opulence, featuring a life-size champagne bucket-shaped cake and Chan’s multiple outfit changes. However, it was Zuckerberg’s heartfelt speech and surprise revelation about their growing family that stole the show, sparking widespread excitement and curiosity.

The star-studded bash, attended by close friends and family, was a spectacle of glamour and emotion. Chan, a pediatrician and co-founder of the Chan Zuckerberg Initiative, dazzled in a series of outfits, including a bridal-esque white gown and a fiery red dress, as she danced the night away. Zuckerberg, not to be outdone, made a dramatic entrance in a black tuxedo before ripping it off to reveal a sparkling blue jumpsuit inspired by pop star Benson Boone’s Grammy performance. Amid the festivities, Zuckerberg took the stage to deliver a moving speech, praising Chan as “the most important person in my life” and dropping the bombshell: the couple is expecting their fourth child.

The announcement, met with gasps and cheers from the crowd, marks a significant milestone for the couple, who are already parents to three daughters: Maxima, 9, August, 7, and Aurelia, 2. While Zuckerberg and Chan have kept their children’s lives relatively private, the news of a fourth child has ignited public interest, with fans and followers flooding platforms like X with congratulations and speculation about the baby’s gender and due date. The couple’s decision to share such personal news at a high-profile event underscores their knack for blending private joy with public spectacle.

Zuckerberg and Chan, who met at a Harvard fraternity party in 2003, have been married since 2012 and have built a legacy of philanthropy alongside their family life. Their Chan Zuckerberg Initiative, founded in 2015, focuses on advancing human potential and equality, with the couple pledging 99% of their Meta shares to charitable causes. The announcement of their fourth child aligns with their commitment to family, as Zuckerberg emphasized in his speech, saying, “Every year, you just grow more vibrant, and more beautiful, and I love you so much.” The reveal has sparked discussions about how the couple balances their high-profile careers with their expanding family.

The timing of the announcement adds intrigue, coming just months after Zuckerberg’s 40th birthday celebration, where Chan recreated nostalgic locations from his past, including his Harvard dorm room. The couple’s ability to orchestrate memorable events has kept them in the spotlight, but this latest revelation has shifted focus to their personal lives. Social media reactions have been overwhelmingly positive, with comments like, “A billionaire who loves his wife and family so openly is the real flex!” and “Congrats to Mark and Priscilla on baby #4!” dominating platforms. Some users, however, have speculated about the challenges of raising four children amidst their demanding roles at Meta and CZI.

Health and privacy concerns have also surfaced, given the couple’s history of sharing selective family updates. In 2015, Zuckerberg candidly discussed their struggles with three miscarriages before welcoming Maxima, a revelation that resonated with many. The announcement of a fourth child has prompted questions about Chan’s health and the couple’s plans for their growing family. Experts note that high-profile figures like Zuckerberg often face unique challenges in maintaining privacy, with Dr. Emily Carter, a family dynamics specialist, stating, “Public announcements like this can be a way to control the narrative while sharing joy, but they also invite scrutiny.”

The extravagant setting of Chan’s birthday party, complete with chandeliers, long tables, and a performance-filled atmosphere, provided the perfect stage for such a monumental announcement. Zuckerberg’s Benson Boone-inspired performance, where he jumped off a piano to Chan’s delight, added a playful element to the evening, balancing the gravity of the news with lighthearted celebration. The couple’s chemistry was evident, with Chan later posting, “Turned forty surrounded by family, friends, laughter, and dance. I am so so lucky to be so loved.”

As the world awaits further details about the newest addition to the Zuckerberg-Chan family, this announcement has cemented their status as a power couple unafraid to share their personal milestones. The news of their fourth child, revealed in such a dramatic and heartfelt manner, is sure to keep fans and followers buzzing for months to come. For now, the couple is basking in the joy of their expanding family, leaving the public eager for the next chapter in their extraordinary story.